Ms. Lumpkin's established practice in employment and commercial litigation encompasses representation of companies, ranging in size from small to international, in manufacturing, retail, health care, service, hotel, professional sports teams and insurance industries. Her experience includes all facets of employment discrimination, workplace harassment litigation, workplace violence response strategies, and public accommodation under the Americans with Disabilities Act ("ADA"). Ms. Lumpkin handles defamation, non-competition, civil theft, misappropriation of trade secrets, fraud, and corporate compliance matters. Ms. Lumpkin frequently addresses issues related to distribution agreements, breach of warranties, and commercial loans. Ms. Lumpkin's diverse practice also includes client representation with regard to federal government investigations in multiple jurisdictions.

Apart from her general litigation practice, Ms. Lumpkin regularly consults with employers on day-to-day personnel matters and practices, with an understanding of the business and legal factors that must be considered. Ms. Lumpkin assists employers in such matters as implementing drug-free workplace policies, employee handbooks, family and medical leave policies, alternative dispute resolution policies, applicant background check and employee investigation policies, and discipline and termination policies. Ms. Lumpkin has conducted training and has prepared handbooks in Spanish. Separation and severance agreements designed to protect employers from future litigation are also an important aspect of her practice. Additionally, Ms. Lumpkin has an established ADA practice. She has successfully litigated Title III public accommodation cases and also provides ADA consulting. She is an "AV" rated lawyer - the highest available rating by Martindale-Hubbell for legal ability and professional ethics.